the visual predation hypothesis suggests that the earliest primates acquired grasping hands and stereoscopic vision to exploit which niche?

When species lose their habitats they may..

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

What is the one part of the nucleotide  that differs among the other different nucle  tides?